1.n. A person (most always male) that creeps on unsuspecting victims, by closely following girls around in random parties and either not saying anything and breathing down their neck or do say something and it's really creepy.
***NOTE:A hoverer might also be defined if friends of the unsuspecting victims do feel the need to constantly check up on her, due to the creepiness that is the alleged 'hoverer'

Girl's Friend: OMG! No WAY! Is that Sam Karch creeping on Alex?!
Girl's Friend 2: Yea it IS!! He's such a hoverer!
Entire group of people at party: HOVERER!!!!
Sam: D'oh!!! Foiled again.